Kenyans living in parts of Nairobi and Mombasa reported earth tremors around 8.15pm (EAT) on Wednesday night.
Similar tremors were reportedly felt in parts of Dar Es Salaam around the same time.
“Felt the tremor in Ruaka. Lasted for over 10 seconds. Everyone in where I live ran out,” one Wanja Douglas wrote on Twitter.
American Earthquakes which reports on such incidents across the globe reported that the tremors had a 4.9 magnitude.
It was registered at 60kilometers east of Lodwar and had a depth of 10 kilometers.
Volcano Discovery reported a: “strong earthquake of magnitude 6.0 in Tanzania which was also felt in parts of Mombasa and Nyeri”.
Some Twitter users reported rattling in their houses while others said it made chandeliers swing.
There were a few who even said they were awoken from their beds by the tremors.